One of the beauties of the Mac operating system is that everything works together perfectly to ensure that your computing experience is seamless. Whether you’re attaching a file to an email, or saving a movie from the Messages app and saving it to your iMovie Library, everything is simple. One of the most useful examples is the ability to set a new Desktop picture from just about anywhere in OS X.

This, naturally, includes iPhoto. Here, you can quickly and easily transform any of your photos into your Mac’s background, and if you like a few of your images and want to use them all, you can do this as well. Once you’ve changed your background, you can access the settings for it as normal in System Preferences, where you can alter options like the menubar transparency and, if you’re using a number of your photos, how long they show onscreen.

1: Find your image

Open up iPhoto and browse through your photos. Once you’ve found one that you like, click to select it. A yellow band should now surround the image you have chosen.

2: Simple transformation

Once your image is selected, click Share in the menubar. At the bottom of the drop-down menu, click on the Set Desktop button. Your Desktop background will now instantly be changed to the photo you selected.